All articles starting with S
44,216 articles
Steppers
Steppers is a reggae drum pattern with the bass drum on all four beats, credited to Sly Dunbar and the Channel One studio bands of mid-1970s Kingston.
StepPhone
The StepPhone, also known as the STEPX Neo, is an AI-agent smartphone announced by Chinese AI company StepFun in Shanghai in July 2026, running its agent-native Step AOS.
Steppin' Out (Neil Sedaka album)
Steppin' Out is Neil Sedaka's 1976 studio album, his third and final Rocket Records comeback LP, produced with Robert Appere, featuring the title-track single with Elton John backup, peaking at No. 36 on Billboard.
Stepping strategy
A stepping strategy is a balance-recovery behavior in which a bipedal robot or human takes quick steps to move the base of support under the center of mass after a push.
Steps (pop group)
Steps is a British pop group formed in 1997, with three women and two men, known for 14 Top Five UK singles and 22 million records sold.
STEPS trial (NCT06668389)
The STEPS trial (NCT06668389) is a University of Hong Kong Phase 4 trial testing whether dapagliflozin improves cardiopulmonary function in adults with repaired tetralogy of Fallot.
Steptoe and Son
Steptoe and Son is a 1962-1974 BBC sitcom by Galton and Simpson about rag-and-bone men Albert (Wilfrid Brambell) and Harold (Harry H. Corbett) Steptoe of Oil Drum Lane, basis of Sanford and Son.
Stepushka
Stepushka (Степушка) is a Bulan-Koby culture burial ground of the 3rd–5th century AD in Ongudai District, Altai Republic, on the Ursul River, excavated in 2010 as Stepushka-1 and Stepushka-2 with over 80 burial and ritual structures.
Stepwell
A stepwell, also called a baoli or bawdi, is a well or pond reached by a descending staircase, giving year-round access to groundwater in India.
Stepwise regression
Stepwise regression is a family of automated variable-selection methods for regression in which predictors are added or removed one at a time by significance tests or information criteria.
Steradian
The steradian (symbol: sr), also called the square radian, is the SI unit of solid angle; one steradian cuts a sphere's surface area equal to the squared radius.
Sterane
Steranes are saturated tetracyclic hydrocarbons formed when sterols from eukaryotic organisms lose their functional groups during diagenesis, serving as molecular fossils that record both the source organisms and thermal history of rocks.
Stercorarius
Stercorarius is a genus of predatory seabirds known as skuas and jaegers, the sole genus of the family Stercorariidae, established by Brisson in 1760 with the Parasitic Jaeger as its type species.
Sterculia
Sterculia L. is a pantropical genus of about 170 to 300 tree and shrub species in Malvaceae (Sterculioideae), source of karaya gum from Sterculia urens and widely used in traditional medicine.
Sterculia urens
Sterculia urens (karaya gum tree, Indian tragacanth, ghost tree) is a large deciduous Malvaceae tree native from the Indian Subcontinent to Indo-China, source of gum karaya (E 416), used in food, pharma, and textiles, endangered in parts of India.
Sterechinus neumayeri
Sterechinus neumayeri (Meissner, 1900), the Antarctic sea urchin, is a circumpolar Echinidae species, the most abundant shallow-water Antarctic echinoid, a model organism for cold-slowed development and climate change research, with an 885-Mb genome published in 2024.
Steregushchiy-class corvette
Steregushchiy class (Project 20380), Russian multirole corvettes by Almaz bureau, ~2,250 t, 27 knots, Uran and Redut missiles, Kalibr-armed Project 20385 variant, serving Baltic, Pacific, Black Sea fleets.
Stereo (1969 film)
Stereo (1969) is David Cronenberg's first feature, a Canadian experimental black-and-white sci-fi film about surgically induced telepathy at the Canadian Academy of Erotic Inquiry, shot for $3,500 at Scarborough College without sync sound.
Stereo (music)
Stereo, also known as Stereo Montreal or Stereo Nightclub, is an afterhours nightclub in Montreal opened in 1998 by DJ Angel Moraes, famed for its sound system.
Stereo digital image correlation
Stereo digital image correlation, also known as stereo-DIC or 3D-DIC, is a non-contact optical technique that measures the three-dimensional shape and deformation of a surface.
Stereo electroencephalography
Stereo electroencephalography (SEEG) is an invasive brain monitoring technique using depth electrodes through small skull holes to locate the seizure onset zone in drug-resistant focal epilepsy.
Stereo Love
Stereo Love: 2009 debut single by Romanian producer Edward Maya featuring Moldovan-Romanian DJ Vika Jigulina on Cat Music; 127 BPM dance hit that topped charts in France and Spain and peaked at number 4 in the UK.
Stereo matching
Stereo matching is a computer vision method that matches pixels between two images of the same scene, producing a disparity map that converts to depth.
Stereo microscope
A stereo microscope, also called a dissecting microscope, is a low-power optical microscope that uses two separate light paths to give a three-dimensional view of solid specimens.
Stereo Nation (group)
Stereo Nation was a British Asian pop act fronted by the singer Taz (Tarsame Singh Saini), formed in 1996 and known for the hits "I've Been Waiting" and "Laila".
Stereo reconstruction
Stereo reconstruction is a computer vision method that estimates scene depth from a pair of images taken by calibrated cameras at different viewpoints, computing a disparity map convertible to depth values.
Stereocenter
A stereocenter, also called a stereogenic center, is a point in a molecule where interchanging any two attached groups produces a stereoisomer; most often it is a carbon bonded to four different groups.
Stereochemistry
Stereochemistry is the branch of chemistry that studies how atoms are arranged in three-dimensional space within molecules, and how that arrangement shapes properties, reactions, and drug effects.
Stereocomplex polylactic acid
Stereocomplex polylactic acid, or SC-PLA, is a crystalline material formed when the two PLA enantiomers PLLA and PDLA co-crystallize, melting about 50 °C higher than ordinary PLA.
Stereoconvergent alkyl cross-coupling
Stereoconvergent alkyl cross-coupling is a nickel-catalyzed carbon–carbon bond-forming reaction in which both enantiomers of a racemic alkyl electrophile merge into a single enantiomer of product via alkyl radicals, achieving up to 100% yield.